fix bug while installing on windows / python3

nhentai/__init__.py

@@ -1,3 +1,3 @@
-__version__ = '0.3.2'
+__version__ = '0.3.4'
 __author__ = 'RicterZ'
 __email__ = 'ricterzheng@gmail.com'

setup.py

@@ -11,8 +11,10 @@ with open('requirements.txt') as f:
 
 
 def long_description():
-    with codecs.open('README.rst', 'r') as f:
-        return str(f.read())
+    with codecs.open('README.rst', 'rb') as readme:
+        if not sys.version_info < (3, 0, 0):
+            return readme.read().decode('utf-8')
+
 
 setup(
     name='nhentai',